Effect of the herbicide prometryn on metabolic activities of two Fusarium wilt fungi

Effects of different concentrations of active ingredient of the herbicide pyramin on metabolic activities of Fusarium solani and Sclerotium rolfsii were examined. High concentrations of this herbicide (1000 and 2000 p.g mL -1 for F. solani and 100 and 200 tzg mL -~ for S. rolfsii) had inhibitory effects on the metabolic activities of both fungi. These were demonstrated by significant decreases in growth, and increases in rates of CO 2 evolved, 0 2 consumed and keto acids produced. These were accompanied by increased rates of sugar, nitrate and inorganic phosphorus absorption as well as lowered rates of synthesis of carbohydrates and insoluble nitrogenous (including protein) and phosphorus (including RNA-P and DNA-P) compounds. In addition, rates of excretion of both nitrogen and phosphorus fractions by the mycelial mats were increased.A concentration of 25 p.g mL -~ exerted little or no effect on the metabolic activities of these fungi, although S. rolfsii was somewhat sensitive to this concentration.

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Metabolic activities of the sugarbeet pathogens Fusarium solani (Mart.) Sacc. and Sclerotium rolfsii Sacc. under pyramin stress

El-Abyad

Gabr

Abu-Taleb

1991

Plant Soil

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Biocontrol of fungal root rot diseases of crop plants by the use of rhizobia and bradyrhizobia

Omar

Abdalla

1998

Folia Microbiol

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Effects of an organophosphorus insecticide on the growth and cellulolytic activity of fungi

Omar

Moharram

Abd‐Alla

1993

International Biodeterioration & Biodegradation

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Effect of the herbicide prometryn on metabolic activities of two Fusarium wilt fungi

Cited by 4 publications

References 15 publications

Metabolic activities of the sugarbeet pathogens Fusarium solani (Mart.) Sacc. and Sclerotium rolfsii Sacc. under pyramin stress

Metabolic activities of the sugarbeet pathogens Fusarium solani (Mart.) Sacc. and Sclerotium rolfsii Sacc. under pyramin stress

Biocontrol of fungal root rot diseases of crop plants by the use of rhizobia and bradyrhizobia

Effects of an organophosphorus insecticide on the growth and cellulolytic activity of fungi

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